Browse Water Systems

19,626 public water systems in CA.

Public Water Systems Database

Browse 19,626 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.

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System Name PWSID State Type Population Served
CALIFORNIA CITRUS ASSOCIATION CA5403106 California Non-Transient Non-Community 96
USFS BEARDSLEY CAMPGROUND CA5500358 California Transient Non-Community 96
USFS-JERKEY MEADOW TRAILHEAD / UHL WC CA5403034 California Transient Non-Community 96
PINE GROVE CA7300314 California Community 95
INSLEE'S TRAILER PARK CA3600392 California Community 95
TALL TIMBER TRAVEL TRAILER PARK FL3421528 California Community 95
LITTLE RIVER INN CA2300617 California Non-Transient Non-Community 95
SUNSET ROAD MUTUAL WATER CO. CA4200522 California Community 95
Z D WINES CA2801056 California Non-Transient Non-Community 95
SANTIAGO RANCH CA1502243 California Transient Non-Community 95
BIG SPRINGS UNION ELEM. SCHOOL CA4700577 California Non-Transient Non-Community 95
MINTURN HULLER CA2400250 California Transient Non-Community 95
SHASTA HISTORICAL ST PK CA4510301 California Transient Non-Community 95
LARRY A SHEHADEY DAIRY CA1000641 California Non-Transient Non-Community 95
CAL DEPT OF WATER RESOURCES CA0110950 California Transient Non-Community 95
WASHINGTON RIDGE YOUTH CONSERV CA0000313 California Community 95
DOMINICKS FINER FOODS #4104 IL3137182 California Transient Non-Community 95
ROCKWELL INTERNATIONAL CORP CA1502200 California Transient Non-Community 95
CSP WEAVERVILLE JOSS HOUSE CA5310300 California Transient Non-Community 95
FOREST GLEN CAMPGROUND CA5300112 California Transient Non-Community 95
CAPTAIN COOPER SCHOOL WS CA2702322 California Non-Transient Non-Community 95
MONTGOMERY CREEK SCHOOL CA4500170 California Non-Transient Non-Community 95
JEFF RUNQUIST WINERY CA0300089 California Transient Non-Community 95
SHADY GROVE MOBILE HOME PARK, LLC CA5400529 California Community 95
YOKOHL MUTUAL WATER CO CA5400647 California Community 95
TUCKER OAKS EAST WATER DISTRICT CA4500303 California Community 95
SUN PACIFIC-WOODLAKE CA5401096 California Non-Transient Non-Community 95
FRIEDMAN BROTHERS HARDWARE CA4900812 California Non-Transient Non-Community 95
SUMMERHILL MHP WS CA2700792 California Community 95
ADAM'S VEGETABLE OILS CA0605012 California Non-Transient Non-Community 95
BEN LOMOND YOUTH CONSERVATION CA0000312 California Community 95
COOLEY'S CIRCLE 7 RANCH CA4700543 California Transient Non-Community 95
CSP CALIFORNIA STATE PARKS CA2710303 California Transient Non-Community 95
PINE GROVE YOUTH CONSERVATION CA0000314 California Community 95
TNF-CHAPMAN CG CA4600081 California Transient Non-Community 95
MT BROOK MOBILE HOME PARK CA4400777 California Community 95
CSP LABS & MICRO PARADOX CA5105013 California Non-Transient Non-Community 95
SUPER STOP CA5403009 California Transient Non-Community 95
WASHINGTON RIDGE CONS CAMP CA2910800 California Transient Non-Community 95
TNF-INDIAN VALLEY/ROCKY REST CG CA4600075 California Transient Non-Community 95
WASHINGTON RIDGE CA7300313 California Community 95
MILK SPECIALTIES GLOBAL CA5402050 California Non-Transient Non-Community 95
GRANGER DENTAL IN2710188 California Transient Non-Community 95
BEN LOMOND CA7300312 California Community 95
VINO FARMS CA5700519 California Transient Non-Community 94
RANCHO DEL PARADISO-CAL WATER SVC (PUC) CA4900514 California Community 94
BOLSA CHICA WATER COMPANY CA3000612 California Community 94
VALLEY VIEW MOTEL & TRAILER PA CA0800519 California Transient Non-Community 94
THE HIDEOUT AT GLENWOOD SPRINGS CO0223343 California Community 94
CDF - OWENS VALLEY CONSERVATION CAMP CA1410800 California Community 94